At DMG Motorsports, we present the Yoshimura R-77 Street Series Slip-On Exhaust in Works Finish (Stainless/Carbon Fiber/Carbon Fiber, PN 12553B0220) — a race-proven muffler built to sharpen the look, sound, and performance of your ride. Yoshimura developed the R-77's trapezoidal muffler shape to maximize internal packing volume, delivering a fuller, more aggressive exhaust tone without a harsh spike in decibels. The front cap is MIG-welded while the end cap is riveted with polished 304-L stainless steel hardware, and the muffler's shell is finished in Yoshimura's signature Works Finish coating that develops a unique, heat-tempered coloring reminiscent of factory titanium components once it's cycled on the bike. As a Street Series slip-on, it bolts directly onto the stock mid-pipe with no cutting or splicing of the factory emissions system required, making installation straightforward for the street rider who still wants that legendary Yoshimura pedigree. Riders have seen real gains in horsepower and torque — especially down low in the rev range — while shedding significant weight versus the stock muffler.

Features:

• Trapezoid-shape muffler body maximizes internal volume for improved sound and performance
• Works Finish stainless steel canister develops a unique heat-tempered, titanium-like coloring after riding cycles
• Carbon fiber sleeve and carbon fiber end cap for a lightweight, race-inspired appearance
• Straight, single-core baffle design for smoother exhaust flow
• Low-volume sound insert capable for quieter street riding when desired
• MIG-welded front cap paired with a riveted end cap using polished 304-L stainless steel rivets and bands
• Slip-on/bolt-on Street Series design that retains the stock emissions control system
• Significant weight savings over the stock muffler for a quicker-revving, better-balanced motorcycle
• Race-bred Yoshimura engineering backed by decades of championship-winning exhaust development

Fitment